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Legendary
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Join Date: Feb 2009
Location: Somewhere near here
Posts: 11,418
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Legendary
Join Date: Feb 2009
Location: Somewhere near here
Posts: 11,418
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The case in that thread was jumping and hitting the head into the ceiling. That is not a very light hit. A dinger would be the same as what researchers call a sub-concussive impact. There is an awareness of bumping the head or suffering an impact but no concussion symptoms, either immediately or later.
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Mark in Idaho
"Be still and know that I am God" Psalm 46:10
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